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KR20110066521A - Rubber crawler that component shock suction a groove - Google Patents

Rubber crawler that component shock suction a groove Download PDF

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Publication number
KR20110066521A
KR20110066521A KR1020090123208A KR20090123208A KR20110066521A KR 20110066521 A KR20110066521 A KR 20110066521A KR 1020090123208 A KR1020090123208 A KR 1020090123208A KR 20090123208 A KR20090123208 A KR 20090123208A KR 20110066521 A KR20110066521 A KR 20110066521A
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KR
South Korea
Prior art keywords
shock absorbing
rubber
claw
groove
absorbing groove
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Application number
KR1020090123208A
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Korean (ko)
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KR101146092B1 (en
Inventor
한철희
박성찬
라조이 유기
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한국카모플라스트(주)
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Priority to KR1020090123208A priority Critical patent/KR101146092B1/en
Priority to PCT/CA2010/000632 priority patent/WO2011069233A1/en
Priority to US13/515,175 priority patent/US9511805B2/en
Priority to EP10835318.6A priority patent/EP2509852B1/en
Publication of KR20110066521A publication Critical patent/KR20110066521A/en
Application granted granted Critical
Publication of KR101146092B1 publication Critical patent/KR101146092B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
    • B62D55/244—Moulded in one piece, with either smooth surfaces or surfaces having projections, e.g. incorporating reinforcing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/02—Endless track vehicles with tracks and additional ground wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Belt Conveyors (AREA)
  • Vibration Dampers (AREA)

Abstract

PURPOSE: A rubber crawler with a shock absorption groove is provided to prevent damage to the side of a crawler by dispersing an impact not to concentrate on the crawler body. CONSTITUTION: A rubber crawler(30) comprises a crawler body(20) which is formed of rubber and embedded with a plurality of cored bars(10). A shock absorbing groove(110) is integrally formed on the leading end of a blade part(12) of each cored bar in order to provide shock absorption on the outer contact side of the crawler body.

Description

충격흡수 홈을 구성한 고무 크로라{Rubber crawler that component shock suction a groove}Rubber crawler that constitutes a shock absorption groove {Rubber crawler that component shock suction a groove}

본 발명은 충격흡수 홈을 구성한 고무 크로라에 관한 것으로 더욱 상세하게는 건설, 토목, 농업용 등의 무한궤도차량의 이송수단으로 사용되는 고무 크로라 폭방향 양측 외경부 접지면에 충격을 흡수할 수 있는 충격흡수 홈을 형성하여 크로라의 손상을 방지하여 크로라의 수명을 획기적으로 연장시킬 수 있도록 하는 충격흡수 홈을 구성한 고무 크로라에 관한 것이다.The present invention relates to a rubber claw that constitutes a shock absorbing groove, and more particularly, to absorb a shock on the outer surface of the rubber claw in both width directions of the rubber claw, which is used as a transport means for a crawler vehicle for construction, civil engineering, and agriculture. The present invention relates to a rubber chromo that constitutes a shock absorbing groove for forming a shock absorbing groove to prevent damage to the chroma and thereby prolonging the life of the crusher.

크로라를 이용한 주행 장치는 농업 기계, 건설 작업 기계 등에 널리 이용되고 있다. 그리고, 고무 크로라는 고무 탄성재에 의해 무단 형상으로 형성되고, 이러한 고무 크로라 주행 장치가 장착되는 차량에 권취되어 회전 주행하는 것이다.The traveling device using Crawler is widely used for agricultural machinery, construction work machines, etc. The rubber claw is formed in an endless shape by a rubber elastic material, and is wound on a vehicle on which the rubber claw travel device is mounted to rotate.

상기 고무 크로라를 구비한 고무 크로라 주행장치는 현재 콤바인 등의 농업기계, 백호(BACKHOE) 등의 건설작업기계 등에 폭 넓게 이용되고 있다.BACKGROUND OF THE INVENTION A rubber claw traveling device including the rubber claw is widely used in agricultural machinery such as combines and construction work machines such as backhoes.

이러한 종래의 일반적인 크로라는 고무재를 이용하여 무단상(無端狀)으로 형성되어 양측의 구동스프라켓과 아이들러 사이에 걸리도록 장착되고 상기 구동스프 라켓의 회전력에 의해 회전하므로써 진행력을 갖게 된다.Such a conventional claw is formed in an endless phase using a rubber material and is mounted to be caught between the driving sprockets and the idlers on both sides, and has a traveling force by rotating by the rotational force of the driving sprockets.

이러한 구동스프라켓은 크로라의 중앙에 일정간격으로 연속적으로 형성된 스프라켓홈에 걸리게 되고 이때 고무재인 크로라는 스프라켓홈의 사이사이에 금속재인 심금을 매설하여 원활한 구동이 이루어질 수 있도록 하며, 상기 심금에 형성된 가이드돌기의 외측에는 가이드롤러가 장착되어 크로라의 구동시 구동스프라켓 및 아이들러로부터 크로라가 이탈됨을 방지하는 구조를 갖는다.The driving sprocket is caught in a sprocket groove continuously formed at a predetermined interval in the center of the claw. At this time, the claw, which is a rubber material, embeds a metal core between the sprocket grooves so that a smooth driving can be performed. A guide roller is mounted on the outside of the protrusion to prevent the claw from being separated from the driving sprocket and the idler when the claw is driven.

따라서 주행시 크로라 본체가 회전하면서 크로라 본체의 측면부가 지면에 접촉하면서 각종 장애물에 부딪치는 등의 외부 충격이 크로라 본체의 측면부에 가해질 경우 상기 장애물과 직접 접촉되는 부분에 응력이 집중되고 그 충격은 크로라 본체에 전달되어 크로라 본체가 찢겨지거나 크랙이 발생하여 크로라의 성능 및 수명 저하로 연결된다.Therefore, when an external shock such as the claw body rotates while driving, the side of the claw body comes into contact with the ground, and hits various obstacles, the stress is concentrated on the part that is in direct contact with the obstacle. Is transmitted to the Crawler body and the Crawler body is torn or cracked, leading to a decrease in performance and life of the Crawler.

이러한 문제점을 일부나마 해소하기 위한 방안으로 『일본국 특개평-105754호 명칭 이부절단을 방지한 심금 및 고무크로라의 구조』가 제시되고 있는 것이었다.As a solution to some of these problems, the structure of the core and rubber claws that prevented the cutting of the head of Japanese Patent Application Laid-Open No. 105754 was proposed.

이에 상기 선출원 발명을 간략하게 살펴보면, 도 1 및 도 2에 도시된 바와 같이 심금(2)의 날개부(3) 선단에 환형단면의 리브(4)를 날개부의 선단부 폭과 동일한 폭으로 형성하고, 상기 리브(4)가 형성된 날개부를 고무크로라의 내주측으로 만곡지게 형성시킨 구조로 이루어짐을 알 수 있게 된다.1 and 2, the rib 4 of the annular cross section is formed in the same width as the tip width of the wing portion, as shown in FIGS. It can be seen that the rib portion 4 is formed of a structure that is formed to be curved to the inner peripheral side of the rubber claw.

그러나 상기 선출원 발명의 리브(4) 및 내주측으로 만곡진 구조는 심금(2)의 날개부(3) 선단부 폭과 동일한 폭으로 형성됨에 따라 단지 심금의 선단부 상,하방 향 사이(X)의 접촉면적을 확장하는 것에 국한될 뿐 날개부의 전,후방향(Y)으로는 접촉면적의 변화가 없어 크로라의 진행방향을 따라 전체적으로 접촉면적을 확장할 수 없는 것이었다.However, the rib 4 and the inner circumferentially curved structure of the preceding application are formed to have the same width as the tip portion width of the wing portion 3 of the core 2, so that only the contact area between the top and bottom directions of the core (X) is lower. However, the contact area was not changed in the front and rear directions (Y) of the wing, but the contact area could not be extended along the direction of the claw.

본 발명은 상기와 같은 문제점을 감안하여 안출된 것으로, 상기 심금의 날개부 선단에 크로라 본체의 외경부 측에 충격을 흡수할 수 있는 충격흡수 홈을 형성하여 크로라 본체의 폭방향 측면부에 가해지는 충격이 크로라 본체에 집중되지 않고 분산되면서 크로라의 측면부가 손상됨을 집중적으로 방지할 수 있도록 함을 고안의 주된 목적으로 하는 것이다.The present invention has been made in view of the above problems, the impact absorbing groove that can absorb the shock on the outer diameter side of the claw body at the tip of the wing portion of the core is applied to the widthwise side portion of the claw body The main purpose of the design is to prevent the impact from being concentrated on the chroma body and intensively preventing damage to the side portions of the chroma.

이러한 기술적 과제를 달성하기 위하여, 본 발명은, 무단상(無端狀)의 고무로 이루어진 크로라 본체(5)의 내부에 일정간격으로 다수의 심금의 일측 날개부 선단으로 크로라 본체의 양측 외경부 접지면 측에 충격흡수를 제공하는 충격흡수 홈을 일체로 형성된 것을 특징으로 한다.In order to achieve such a technical problem, the present invention, both ends of the claw body at the tip of one wing portion of a plurality of cores at regular intervals inside the claw body 5 made of endless rubber. Characterized in that the shock absorbing groove to provide a shock absorption to the ground plane side integrally formed.

더욱 바람직하게, 상기 크로라 본체의 진행방향으로 양측 외경부 접지면 측에 소정의 깊이를 가지는 장공형상의 충격흡수 홈을 형성한 것을 특징으로 한다.More preferably, a long hole-shaped shock absorbing groove having a predetermined depth is formed on both side surfaces of the outer diameter portion in the advancing direction of the claw body.

바람직하게, 상기 충격흡수 홈은 크로라 본체의 폭방향 양측 외경부 접지면에 장애물 접촉에 의한 충격을 흡수하여 찢겨지거나 파손됨을 방지하는 것을 특징으로 한다.Preferably, the shock absorbing groove is characterized in that the shock absorbed by the obstacle contact to the outer surface portion of the outer surface of the chromium body in the width direction to prevent tearing or breaking.

더욱 바람직하게, 상기 크로라 본체의 폭방향 양측 외경부 접지면에 형성된 충격흡수 홈의 형상을 원형, 타원형의 충격흡수를 위한 형태 변경이 가능한 것을 특징으로 한다.More preferably, the shape of the shock absorbing groove formed on the outer surface portion of the outer surface of the chromium body in the width direction may be changed in shape for circular and elliptical shock absorbing.

상기와 같은 본 발명에 따르면 심금의 날개부 선단에 날개부의 크로라 본체(고무)의 양측 외경부에 충격흡수 홈을 형성하여 장애물 외부로부터 가해지는 충격이 집중되지 않고 분산되면서 지면과 접촉하는 크로라 본체의 폭방향 측면부가 찢겨지거나 크랙이 발생됨을 효과적으로 방지하여 크로라 본체의 내구성을 향상시킬 수 있는 효과가 있다.According to the present invention as described above to form a shock absorbing groove in the outer diameter of both sides of the claw body (rubber) of the wing portion at the tip of the wing of the core, the impact applied from the outside of the obstacle is not concentrated and distributed in contact with the ground The widthwise side portion of the main body is effectively prevented from being torn or cracked, thereby improving the durability of the claw main body.

또한, 상기 크로라 본체에 가해지는 충격을 흡수하여 보다 높은 추진력을 얻을 수 있는 효과가 있으므로 매우 유용한 발명인 것이다.In addition, it is a very useful invention because it has the effect of absorbing the shock applied to the claw body to obtain a higher driving force.

상기한 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,

무단상(無端狀)의 고무로 이루어진 크로라 본체의 내부에 일정간격으로 다수의 심금이 매설된 크로라에 있어서,In the crow where a number of cores are embedded at regular intervals in the claw body made of endless rubber,

상기 심금의 일측 날개부 선단으로 크로라 본체의 양측 외경부 접지면 측에 충격흡수를 제공하는 충격흡수 홈을 일체로 형성된 것을 특징으로 하는 충격흡수 홈을 구성한 고무 크로라를 제공함으로써 달성하였다.It was achieved by providing a rubber claw comprising the shock absorbing groove, characterized in that the shock absorbing groove for providing shock absorption to the outer surface of the outer diameter portion of the claw body integrally formed at the tip of one wing portion of the core.

이하, 본 발명의 바람직한 실시 예를 첨부한 도면에 의하여 설명한다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사 전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the ordinary or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

따라서, 본 명세서에 기재된 실시 예와 도면에 도시된 구성은 본 발명의 가장 바람직한 하나의 실시 예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, it can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

도 3은 본 발명에 따른 충격흡수 홈을 구성한 고무 크로라를 도시한 일측 단면도이다.Figure 3 is a cross-sectional side view showing a rubber claw constituting the shock absorbing groove according to the present invention.

도시된 바와 같이, 본 발명의 충격흡수 홈(110)을 구성한 고무 크로라(30)는 건설, 토목, 농업용 등의 무한 구동차의 이송수단으로 사용되는 고무로 이루어진 크로라(Crawler) 본체(20)는 폭방향 양측 외경부 접지면에 장애물과 접촉시 응력 집중을 억제하고, 충격을 흡수할 수 있는 충격흡수 홈(110)을 형성하여 크로라 본체(20)의 측방향으로부터 가해지는 충격을 분산하여 크로라(30)의 양측 폭방향 손상을 효과적으로 방지하는 것이다.As shown, the rubber claw (30) constituting the shock-absorbing groove (110) of the present invention is a claw (Crawler) body 20 made of rubber used as a transport means of the endless drive car, such as construction, civil engineering, agriculture In order to suppress the stress concentration in contact with the obstacle on the outer surface of the outer diameter portion of the width direction, and to form a shock absorbing groove 110 to absorb the shock to disperse the impact applied from the side of the claw body 20 It is to effectively prevent the damage in both width directions of the claw (30).

이러한, 크로라 본체(20) 내부에 매설된 심금(10)의 일측 날개부(12) 선단으로 크로라 본체(20)의 양측 외경부 접지면 측에 충격흡수를 제공하는 충격흡수 홈(110)을 일체로 형성한다.The shock absorbing groove 110 that provides shock absorption to the outer surface of the outer diameter portion of both sides of the claw body 20 by the tip of one wing 12 of the core 10 embedded in the claw body 20. It forms integrally.

아울러, 상기 충격흡수 홈(110)은 크로라 본체(20)의 양측 외경부 측에 소정의 원형 형상을 하면서 내부로 이어지는 소정의 깊이로 홈을 구성한 것이다.In addition, the shock absorbing groove 110 has a predetermined circular shape on both sides of the outer diameter portion of the claw body 20 to form a groove with a predetermined depth leading to the inside.

상술한 바와 같이, 상기 크로라 본체(20)의 진행방향으로 양측 외경부 접지면 측에 소정의 깊이를 가지는 장공형상의 충격흡수 홈(110)은 크로라 본체(20)의 폭방향 양측 외경부 접지면에 장애물 접촉에 의한 충격을 흡수하는 것이다.As described above, the long hole-shaped shock absorbing groove 110 having a predetermined depth in both the outer diameter portion ground plane side in the traveling direction of the claw body 20 is the outer diameter portion of both sides in the width direction of the claw body 20. It is to absorb the impact of obstacle contact on the ground plane.

예컨대, 도 4에 도시한 바와 같이, 주행시 크로라 본체(20)가 회전하면서 지면에 접촉하게 되는 크로라 본체(20)의 측면부 측으로 장애물(40)이 접촉하면서 응력이 집중되는 부분에 충격흡수 홈(110)으로 내부 응력이 분산 및 최소화되어 크로라 본체(20)의 손상을 방지할 수 있다For example, as illustrated in FIG. 4, a shock absorbing groove is formed at a portion where stress is concentrated while the obstacle 40 contacts the side of the claw body 20 which is in contact with the ground while the claw body 20 rotates while driving. Internal stresses may be dispersed and minimized to 110 to prevent damage to the claw body 20.

즉, 상기 크로라 본체(20)의 외경부로 장애물(40)과 접촉이 이루어지면 충격흡수 홈(110)의 공간부분이 밀접하게 되면서 크로라 본체(20)의 외경부가 소정 휨이 발생하게 된다.That is, when the contact with the obstacle 40 is made to the outer diameter portion of the claw body 20, the space portion of the shock absorbing groove 110 is in close contact with the outer diameter portion of the claw body 20, the predetermined bending occurs.

이때, 상기 장애물(40)과 접촉시 크로라 본체(20)의 심금(10)은 고정되나 외경부 크로라 본체(20)의 충격흡수 홈(110)은 밀착을 이루면서 외부 충격을 흡수하여 크로라 본체(20) 및 심금(10)의 파손을 방지하게 된다.At this time, the core 10 of the claw body 20 is fixed when the obstacle 40 is in contact, but the shock absorbing groove 110 of the claw body 20 of the outer diameter portion is in close contact with the claw to absorb external impacts. The main body 20 and the core 10 will be prevented from being damaged.

여기서, 상기 크로라 본체(20)의 폭방향 양측 외경부 접지면에 형성된 충격흡수 홈(110)의 형상을 원형, 타원형의 충격흡수를 위한 형태 변경이 가능하다. Here, it is possible to change the shape of the shock absorbing groove 110 formed on the outer surface of the outer diameter portion of the chromo main body 20 in a circular or elliptical shape.

즉, 상기 충격흡수 홈(110)은 소정의 깊이를 가지는 홈을 구성하여 크로라 본체(20)의 양측 외경부에 형성될 수 있으며, 이때, 상기 충격흡수 홈(110)을 원형 홈으로 형성된 것이 아닌 타원형, 장타원형, 사각형상 등 한가지 형상으로 국한된 것이 아닌 다양한 입체적 형상으로 충격흡수가 더욱 우수한 다른 형태가 사용될 수도 있음은 물론이다.That is, the shock absorbing groove 110 may be formed in the outer diameter portions of both sides of the claw body 20 by forming a groove having a predetermined depth, and in this case, the shock absorbing groove 110 is formed as a circular groove. Of course, it is not limited to one shape such as elliptical, long oval, square, and the like.

또한, 상기 충격흡수 홈(110)의 소정의 홈 깊이도 역시 크로라 본체(20)의 제작 형태와 충격 흡수 정도 조정에 따라 그 깊이 조절도 변경이 가능한 것이다.In addition, the predetermined groove depth of the shock absorbing groove 110 is also possible to change the depth control in accordance with the shape of the claw body 20 and the adjustment of the degree of shock absorption.

이와 같이, 상기 충격흡수 홈(110)은 기본적으로 크로라 본체(20)의 형태 유지 및 구동력을 전달하는 목적을 달성함에 더하여 크로라 본체(20)의 구동과정에서 구동차의 압축하중으로 지면과 접촉하는 크로라 본체(20) 접지면이 장애물(40)과 접촉에 의한 응력이 충격흡수 홈(110)에서 골고루 분산되면서 크로라 본체(20) 및 심금(10)이 파열되거나 박리되지 않도록 하는 역할을 수행한다.In this way, the shock absorbing groove 110 is basically in contact with the ground by the compression load of the driving vehicle in the driving process of the Crawler body 20 in addition to achieving the purpose of maintaining the shape of the Crawler body 20 and transmitting the driving force. The Crawler body 20 serves to prevent the Crawler body 20 and the core 10 from being ruptured or peeled while the ground surface of the Crawler body 20 is evenly dispersed in the shock absorbing groove 110. Perform.

이를 위한 구성으로 본 발명의 충격흡수 홈(110)은 도 3과 같이 크로라 본체(20)의 양측 외경부 측에 원형 형상에 소정의 깊이로 홈을 구성하여 장애물(40)과 접촉시 충격흡수 홈(110)이 내향으로 함몰되면서 응력을 분산시킨다.In this configuration, the shock absorbing groove 110 according to the present invention constitutes a groove with a predetermined depth in a circular shape on both outer diameter sides of the claw body 20 as shown in FIG. The grooves 110 sink inwardly to distribute the stress.

즉, 상기 장애물(40)에 의해 발생하는 응력으로 크로라 본체(20)가 꺽어져 크랙을 발생시키는 외부 힘이 크로라 본체(20)로 편중되지 않고 함몰된 공간 측으로 분산되어 충격을 완화시키는 분산될 수 있는 공간인 충격흡수 홈(110)을 제공한다.That is, the chromium main body 20 is bent by the stress generated by the obstacle 40 so that the external force causing cracks is dispersed to the recessed space side without being biased to the chromium main body 20 to alleviate the impact. It provides a shock absorbing groove 110 that can be a space.

따라서 상기 크로라 본체(20) 외경부에 장애물(40)과 접촉되어 힘에 의한 찢겨지거나 갈라짐을 방지하여 제품의 내구성을 획기적으로 향상시킬 수 있게 된다.Therefore, it is possible to significantly improve the durability of the product by preventing the torn or cracked by the force in contact with the obstacle 40 in the outer diameter portion of the claw body 20.

이상과 같이, 본 발명은 비록 한정된 실시 예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 본 발명의 기술 사상과 아래에 기재될 청구범위의 균등 범 위 내에서 다양한 수정 및 변형이 가능함은 물론이다.As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

도 1은 종래 심금의 일실시예 정면도.1 is a front view of an embodiment of a conventional core.

도 2는 종래의 심금을 구비한 크로라 본체가 장애물에 의한 충격 파손을 도시한 일측 단면도.Figure 2 is a cross-sectional side view showing the impact damage caused by obstacles in the Crawler body having a conventional core.

도 3은 본 발명에 따른 충격흡수 홈을 구성한 고무 크로라를 도시한 일측 단면도.Figure 3 is a side cross-sectional view showing a rubber claw constituting the shock absorbing groove according to the present invention.

도 4는 본 발명에 따른 충격흡수 홈을 구성한 고무 크로라의 장애물에 대한 충격흡수를 도시한 일측 단면도.Figure 4 is a side cross-sectional view showing the shock absorption of the obstacle of the rubber claw constituting the shock absorption groove according to the present invention.

** 도면의 주요 부분에 대한 부호의 설명 **** Description of symbols for the main parts of the drawing **

10:심금 12:날개부10: Heart 12: With wings

20:크로라 본체 22:스프라켓 홀20: the claw body 22: sprocket hole

30:크로라 40:장애물30: Crawler 40: Obstacle

110:충격흡수 홈110: shock absorption groove

Claims (4)

무단상(無端狀)의 고무로 이루어진 크로라 본체의 내부에 일정간격으로 다수의 심금이 매설된 크로라에 있어서,In the crow where a number of cores are embedded at regular intervals in the claw body made of endless rubber, 상기 심금(10)의 일측 날개부(12) 선단으로 크로라 본체(20)의 양측 외경부 접지면 측에 충격흡수를 제공하는 충격흡수 홈(110)을 일체로 형성된 것을 특징으로 하는 충격흡수 홈을 구성한 고무 크로라.The shock absorbing groove, characterized in that the shock absorbing groove 110 is formed integrally with the tip of the wing portion 12 of the core 10 to provide shock absorption to the outer surface of the outer diameter portion of the claw body 20. Rubber crow made up. 제1항에 있어서,The method of claim 1, 상기 크로라 본체(20)의 진행방향으로 양측 외경부 접지면 측에 소정의 깊이를 가지는 장공형상의 충격흡수 홈(110)을 형성한 것을 포함함을 특징으로 하는 충격흡수 홈을 구성한 고무 크로라.Rubber chromo comprising the shock absorbing groove, characterized in that formed in the advancing direction of the chroma main body 20, the impact absorption groove 110 of the long hole shape having a predetermined depth on both sides of the outer diameter portion ground plane side; . 제1항에 있어서,The method of claim 1, 상기 충격흡수 홈(110)은,The shock absorbing groove 110, 크로라 본체(20)의 폭방향 양측 외경부 접지면에 장애물(40) 접촉에 의한 충격을 흡수하여 찢겨지거나 파손됨을 방지하는 것을 포함함을 특징으로 하는 충격흡수 홈을 구성한 고무 크로라.A rubber claw comprising a shock absorbing groove comprising absorbing an impact caused by contact of the obstacle 40 to the outer surface portion of the claw body in the width direction on both sides thereof, thereby preventing it from being torn or broken. 제1항에 있어서,The method of claim 1, 상기 크로라 본체(110)의 폭방향 양측 외경부 접지면에 형성된 충격흡수 홈의 형상을 원형, 타원형, 장타원형로 충격흡수를 위한 형태 변경이 가능한 것을 포함함을 특징으로 하는 충격흡수 홈을 구성한 고무 크로라.The shape of the shock absorbing groove formed on the outer surface of the outer diameter portion of the chromium body 110 in the width direction is circular, elliptical, and elliptical, so that the shape of the shock absorbing groove may be changed. Rubber Crawler.
KR1020090123208A 2009-12-11 2009-12-11 Rubber crawler that component shock suction a groove KR101146092B1 (en)

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KR1020090123208A KR101146092B1 (en) 2009-12-11 2009-12-11 Rubber crawler that component shock suction a groove
PCT/CA2010/000632 WO2011069233A1 (en) 2009-12-11 2010-04-22 Endless track for propelling a vehicle, with edge-cutting resistance
US13/515,175 US9511805B2 (en) 2009-12-11 2010-04-22 Endless track for propelling a vehicle, with edge-cutting resistance
EP10835318.6A EP2509852B1 (en) 2009-12-11 2010-04-22 Endless track for propelling a vehicle, with edge-cutting resistance

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